<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <!--在Vue项目中的index.html页面中添加viewport,内容与我这里一致,可以直接复制粘贴,添加后打开页面按F12不报警告和错误即添加成功-->
    <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,minimum-scale=1,user-scalable=no">
    <title></title>
  </head>
  <body>
    <div id="app"></div>
    <!-- built files will be auto injected -->
  </body>
</html>